Information
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Patent Grant
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D415840
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Patent Number
D415,840
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Date Filed
Thursday, April 9, 199826 years ago
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Date Issued
Tuesday, October 26, 199924 years ago
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Inventors
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Original Assignees
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Examiners
Agents
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US Classifications
Field of Search
US
- D24 219
- 422 72
- 422 64
- 494 40
- 494 26
- 494 9
- 494 8
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International Classifications
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Claims
- The ornamental design for a centrifugal vacuum concentrator, as shown and described.
US Referenced Citations (2)